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Finding the Fourth Proportional to 211,299.01, 316,951.98 and 59,499.74

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Solution

The fourth proportional to 211,299.01, 316,951.98 and 59,499.74 is: 89,250.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,299.01 : 316,951.98 = 59,499.74 : x
  2. Step 2: Convert to fraction form
    211,299.01/316,951.98 = 59,499.74/x
  3. Step 3: Cross multiply
    211,299.01x = 316,951.98 × 59,499.74
  4. Step 4: Simplify right side
    211,299.01x = 18,858,559,161.53
  5. Step 5: Solve for x
    x = 18,858,559,161.53/211,299.01
  6. Step 6: Final answer
    x = 89,250.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.